# -*- mode: snippet -*-
#name : \begin{tikzpicture} ... \end{tikzpicture}
# --
\begin{tikzpicture}[auto,
    line/.style ={color=blue!50,ultra thick},
    my node/.style ={rounded corners,fill=red!30,inner sep=4pt,minimum size=4mm,
    node distance=1cm,text width=7em, text badly centered}]
    \tikzstyle{every node}=[draw,fill=red!20,rounded corners,inner sep=1pt,
    node distance=1cm,minimum size=2em,text badly centered]
    \tikzstyle{every pin}=[pin edge={to-,thin,black},pin distance=1mm]

    $0
\end{tikzpicture}
